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Open-source tools & agent skills to build the things you’re paying for.

Fabric.js

Project31.5K

Build interactive canvas editors and graphics workflows with JavaScript.

Added 2026-10-07
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GitHub

What you can build

  • Build a browser tool for staff to arrange labeled shapes and save editable diagrams as JSON.
  • Create an editor for placing markers and notes on images, then export the composed canvas as PNG.
  • Let a team position text, shapes, gradients, and images in branded layouts and export finished graphics.
  • Build a focused tool for loading SVG artwork, making canvas edits, and exporting SVG output.
  • Use the Node entrypoint to compose shapes and text into PNG output for a small image-generation service.

Try this prompt

Build a small JavaScript canvas editor for placing, moving, rotating, and grouping labeled shapes and images. Use Fabric.js browser APIs and keep the editor state serializable as JSON; include save and reload behavior, plus SVG export if supported by the chosen objects. Add a minimal interface for creating and deleting objects. Keep user data in the local workflow, document setup and known export constraints, and do not add external services or claim unverified support.

Get started

  1. Choose an entrypoint

    For a new browser app, use the @fabricjs/browser package; for Node.js, use @fabricjs/node. Keep Fabric packages on matching versions.

  2. Prepare the runtime

    Use an ES-module-capable application or bundler for imports. Node.js support requires Node 20 or later and node-canvas setup; consult the linked node-canvas installation instructions.

  3. Create a canvas

    Import Canvas in the browser or StaticCanvas in Node.js, add Fabric objects, and render. The README includes a plain HTML example and a Node.js PNG-stream example.

License & notes

MITMIT-licensed; retain the required copyright and license notice. The library has no stated usage fee. You provide browser hosting or Node.js compute; Node use depends on node-canvas and jsdom. No model or paid API is required by the documented library features. Hosting and dependency costs are separate and not priced here.

  • A custom interface and application logic are still required; Fabric.js is a library, not a finished editor or hosted design service.
  • Node.js rendering relies on node-canvas and jsdom, and the README warns that node-canvas has limitations and bugs.

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